DataVXACS Energy LettersPaper
journal article·2025-01-10

Twin-Perovskite Structured Ba8Ti3Nb4O24: Pr3+: A Fast Photochromics with Millisecond-Level Response Speed for Optical Storage

Gaoming Dong, Hang Lin, Hongyi Yang, Tao Hu, Qingming Huang, Xinxin Han, Xuefeng Li, Pengfei Wang, Ju Xu, Yao Cheng, Yuansheng Wang

ACS Energy Letters· Volume 10· Issue 1
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Source abstract

Abstract

Photochromism (PC) involves profound and complex optoelectronic processes and the interplay of color centers and the host matrix. To date, achieving a fast PC response speed remains a challenge. Here, a new fast PC “twin-perovskite” niobate ceramic, Ba 8 Ti 3 Nb 4 O 24: Pr 3+ (BTN:Pr 3+ ), exhibiting a remarkable PC response time down to 20 ms and a record PC contrast of 42.3% among niobate-based PC materials, is identified. Experimental and theoretical approaches reveal the key role of the oxygen vacancy in the PC reaction. It is proposed that the fast PC response is related to the short time spent redistributing charge carriers due to a single type of color center and the quick transport of charge carriers within the densely packed crystal framework featuring a face-sharing twin-plane structure. Finally, we present demo experiments of real-time write-display of information in a repeatable manner and demonstrate bit-by-bit information optical storage at high write speeds that could be read in dual modes.
Source: openalex_inverted_index · Quality: baseline

Research context

Ceramics & glassesElectronic materials

OpenAlex topics: Photonic Crystals and Applications · Photorefractive and Nonlinear Optics · Perovskite Materials and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Structural Chemistry

Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences

College of chemistry

Fuzhou University

Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China

Fujian Key Laboratory of Nanomaterials

Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Research Center of Rare Earth Materials

Haixi Institutes, Chinese Academy of Sciences

School of Applied Physics and Materials

Wuyi University

Instrumentation Analysis and Research Center

School of Physical Science and Technology

Guangxi University

Funding

Haixi Institute, Chinese Academy of Sciences · Natural Science Foundation of Fujian Province · Science Fund for Distinguished Young Scholars of Fujian Province · Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China · National Natural Science Foundation of China · Science and Technology Projects of Fujian Province · XMIREM autonomously deployment project

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